Analysis
- max time kernel
109s - max time network
12s - platform
windows7_x64 - resource
win7v20201028 - submitted
04/11/2020, 10:31
Static task
static1
Behavioral task
behavioral1
Sample
vrzfax-Fichero-ES.msi
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
vrzfax-Fichero-ES.msi
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target vrzfax-Fichero-ES.msi
- Size 1017KB
- Sample201104-cgrq4mtchj
- SHA256 28a1dec8440dcd046fc4bbcbce7cfb6fcb33bc744f9e4d6debe025305fc0abcb
- MD5 fadcccecfdb81ea27d9d5bc48a25c0f2
- SHA1 b35fa1b876847edf653bf7a59b39f38f2f9d02d6
- SHA512 1d6152404b75d783887d66378421f2c2b88391a0faea07c3b20977b7a7ae98a64b9e6ed78d66de48ad96571a5bdf6c112d11aebd45cbb04ac3c066b98adb8fb6
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Blacklisted process makes network request 1 IoCs
flow pid Process 6 1396 MsiExec.exe - Loads dropped DLL 5 IoCs
pid Process 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe 1396 MsiExec.exe - Enumerates connected drives 3 TTPs 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Q: msiexec.exe - Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\f7401e4.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI2AF.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIA6F.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIABE.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIB8B.tmp msiexec.exe File created C:\Windows\Installer\f7401e4.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI4D2.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI531.tmp msiexec.exe File created C:\Windows\Installer\f7401e6.ipi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1232 msiexec.exe 1232 msiexec.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1032 msiexec.exe - Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeShutdownPrivilege 1032 msiexec.exe Token: SeIncreaseQuotaPrivilege 1032 msiexec.exe Token: SeRestorePrivilege 1232 msiexec.exe Token: SeTakeOwnershipPrivilege 1232 msiexec.exe Token: SeSecurityPrivilege 1232 msiexec.exe Token: SeCreateTokenPrivilege 1032 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1032 msiexec.exe Token: SeLockMemoryPrivilege 1032 msiexec.exe Token: SeIncreaseQuotaPrivilege 1032 msiexec.exe Token: SeMachineAccountPrivilege 1032 msiexec.exe Token: SeTcbPrivilege 1032 msiexec.exe Token: SeSecurityPrivilege 1032 msiexec.exe Token: SeTakeOwnershipPrivilege 1032 msiexec.exe Token: SeLoadDriverPrivilege 1032 msiexec.exe Token: SeSystemProfilePrivilege 1032 msiexec.exe Token: SeSystemtimePrivilege 1032 msiexec.exe Token: SeProfSingleProcessPrivilege 1032 msiexec.exe Token: SeIncBasePriorityPrivilege 1032 msiexec.exe Token: SeCreatePagefilePrivilege 1032 msiexec.exe Token: SeCreatePermanentPrivilege 1032 msiexec.exe Token: SeBackupPrivilege 1032 msiexec.exe Token: SeRestorePrivilege 1032 msiexec.exe Token: SeShutdownPrivilege 1032 msiexec.exe Token: SeDebugPrivilege 1032 msiexec.exe Token: SeAuditPrivilege 1032 msiexec.exe Token: SeSystemEnvironmentPrivilege 1032 msiexec.exe Token: SeChangeNotifyPrivilege 1032 msiexec.exe Token: SeRemoteShutdownPrivilege 1032 msiexec.exe Token: SeUndockPrivilege 1032 msiexec.exe Token: SeSyncAgentPrivilege 1032 msiexec.exe Token: SeEnableDelegationPrivilege 1032 msiexec.exe Token: SeManageVolumePrivilege 1032 msiexec.exe Token: SeImpersonatePrivilege 1032 msiexec.exe Token: SeCreateGlobalPrivilege 1032 msiexec.exe Token: SeRestorePrivilege 1232 msiexec.exe Token: SeTakeOwnershipPrivilege 1232 msiexec.exe Token: SeRestorePrivilege 1232 msiexec.exe Token: SeTakeOwnershipPrivilege 1232 msiexec.exe Token: SeRestorePrivilege 1232 msiexec.exe Token: SeTakeOwnershipPrivilege 1232 msiexec.exe Token: SeRestorePrivilege 1232 msiexec.exe Token: SeTakeOwnershipPrivilege 1232 msiexec.exe Token: SeRestorePrivilege 1232 msiexec.exe Token: SeTakeOwnershipPrivilege 1232 msiexec.exe Token: SeRestorePrivilege 1232 msiexec.exe Token: SeTakeOwnershipPrivilege 1232 msiexec.exe Token: SeRestorePrivilege 1232 msiexec.exe Token: SeTakeOwnershipPrivilege 1232 msiexec.exe Token: SeRestorePrivilege 1232 msiexec.exe Token: SeTakeOwnershipPrivilege 1232 msiexec.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1032 msiexec.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1232 wrote to memory of 1396 1232 msiexec.exe 27 PID 1232 wrote to memory of 1396 1232 msiexec.exe 27 PID 1232 wrote to memory of 1396 1232 msiexec.exe 27 PID 1232 wrote to memory of 1396 1232 msiexec.exe 27 PID 1232 wrote to memory of 1396 1232 msiexec.exe 27 PID 1232 wrote to memory of 1396 1232 msiexec.exe 27 PID 1232 wrote to memory of 1396 1232 msiexec.exe 27
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\vrzfax-Fichero-ES.msi1⤵
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1032
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 338C330EDCD942DF5759A8AAF3A7F8D92⤵
- Blacklisted process makes network request
- Loads dropped DLL
PID:1396
-